[Mailman-Users] how to avoid the anit-spoofing error

[Weijun Zhu]

Thanks everyone for clarifying the problem.
I will forward the suggestions that you guys give to the company.

Brad Knowles wrote:

> At 10:28 PM +0100 2004-06-14, Ian A B Eiloart wrote:
>
>>  Note that the misconfigured server is the one issuing the 550 error.
>>  Your list server is working the way mailing lists are supposed to
>>  work. The email really IS from the person that it says its from.
>>
>>  Ask the company to fix this. Otherwise their staff won't be able to
>>  get copies of their own (or each others) posts from most lists.
>
>
>     Indeed.  I suspect that the company may have implemented SPF (see 
> <http://bradknowles.typepad.com/>).
>
>     In this case, one easy solution would be for the company to 
> designate the mailing list server as one of the systems that is 
> officially allowed to generate e-mail that claims to be from the company.
>